District of Columbia of Societies

Columbia Historical Society
333 Constitution Avenue, NW
Room 4826
Washington, DC 20001-2866
Telephone: 202-785-2068
Fax: 202-887-5785

Historical Society of Washington, D. C. 

801 K Street, NW
at Mt. Vernon Square
Washington, DC 20001
Telephone:  202-383-1800

Internet: http://www.historydc.org/

Jewish Genealogy Society of Greater Washington, Inc.
P.O. Box 1614
Rockville, MD 20849-1614

Internet:  http://www.jewishgen.org/jgsgw/